Items where Author is "Cerna Solís, Susana Beatriz"
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Cerna Solís, Susana Beatriz and Cruz Portillo, Karla Beatriz and González Díaz, Ruth Cristina and Martínez Molina, Yaneth Idalia (2009) EFL methodological procedures to cope with seventh, eighth and ninth graders mixed- ability classes at Colegio Salesiano San José in Santa Ana in the year 2009. Bachelor thesis, Universidad de El Salvador.